Originally reported at http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=612578

If I suspend my laptop (thinkpad x201), attach an external monitor via VGA, and
then resume, gnome-screensaver is unresponsive.  The external display receives
a signal (leaves power save) but draws nothing.  The gnome-screensaver dialog
box appears on my laptop's panel, but the caret is missing (input field not
focussed); the mouse pointer not visible (even if I attempt to guess the
display geometry and move the mouse across the region occupied by the external
display to the internal panel) and tab does not cycle through the input
elements.  I suspect this situation results in the dialog not having input
focus.

In this state,  I cannot initiate a suspend of the laptop (which I normally
do via Fn+F4).  If I switch to a text VT, the suspend event is still ignored.
However switching back to the X VT resolves the focus problem.

Attached is the output of gnome-screensaver --debug --no-daemon during this
process.  The log begins from when the suspend event was triggered -- I've
trimmed output from daemon start to that point because I performed a
suspend/resume without the monitor attached to make sure it was working first.
The trailing whitespace prior to the ^C was just me hitting enter a few times
before killing the daemon.